Travel-ready dishes are the food prepared for traveling people to eat on the road. Travel-ready dishes should be easy to carry around and would not go bad in two to three months. 

“路菜”是准备给旅行的人在路上吃的菜。“路菜”应便于携带，而且放上两三个月也不会坏。

Example:

他舀出一勺路菜，加入开水，路菜的香味立刻在空气中弥漫开来。

He scooped out a spoon of travel-ready dish and poured in hot water, the delicious smell instantly filled the air.